OA

Osamu Asakura

AL Aderans Company Limited: 3 patents #7 of 75Top 10%
Overall (All Time): #1,537,044 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8900702 Artificial hair and wig using the same Yutaka Shirakashi, Takayuki Watanabe, Nobuyoshi Imai, Akemi Irikura 2014-12-02
4970042 Synthetic fibers having uneven surfaces method for melt-spinning Hiroshi Kakiuchi, Setsuo Fukuhara, Michinobu Fujiwara, Hiroshi Maeda, Yutaka Shirakashi +3 more 1990-11-13
4792489 Synthetic fibers having uneven surfaces and a method of producing same Hiroshi Kakiuchi, Setsuo Fukuhara, Michinobu Fujiwara, Hiroshi Maeda, Yutaka Shirakashi +3 more 1988-12-20